4038 SPN Fault Code

Name:

Snow Plow Forward Lighting Relay 2

Description:

The snow plow forward lighting relay 2 switches the forward lights from the normal headlamps to the lamps mounted above the snow plow blade. The snow plow forward lighting relay 2 controls the right headlamp if lighting control is divided left from right.

4038 spn fault code name is Snow Plow Forward Lighting Relay 2. If you don't take the time to look into 4038 spn fault when it arises, it can add up quickly. One small issue like 4038 can cause a larger component to become damaged without taking the time to investigate. If you suspect your truck is suffering from one of these issues, look into replacing those small components to save money down the road.

Note: The name and description of 4038 code represents text descriptions for faults supported by another coding system and does not necessarily comply with SAE J1939. For a specific engine manufacturer's explanation for codes, please consult the engine's technical manual. See also other spn codes.

4038 SPN Fault Code

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